Home / 159,600,069,431.12-220,247,952,067.36-90,090,344,424.48

Finding the Fourth Proportional to 159,600,069,431.12, 220,247,952,067.36 and 90,090,344,424.48

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Solution

The fourth proportional to 159,600,069,431.12, 220,247,952,067.36 and 90,090,344,424.48 is: 124,324,594,163.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,600,069,431.12 : 220,247,952,067.36 = 90,090,344,424.48 : x
  2. Step 2: Convert to fraction form
    159,600,069,431.12/220,247,952,067.36 = 90,090,344,424.48/x
  3. Step 3: Cross multiply
    159,600,069,431.12x = 220,247,952,067.36 × 90,090,344,424.48
  4. Step 4: Simplify right side
    159,600,069,431.12x = 19,842,213,860,534,820,798,464
  5. Step 5: Solve for x
    x = 19,842,213,860,534,820,798,464/159,600,069,431.12
  6. Step 6: Final answer
    x = 124,324,594,163.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.